package interview.huawei.tjt.training.dongtaiguihua;

import java.util.Scanner;

public class FeiBoNaQi {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNextInt()) {
            int n = sc.nextInt();

        }
    }

    public static int func (int n) {
        if (n < 2){
            return n;
        }
        return func(n - 1) + func(n - 2);
    }

}
